Our bamboo toothbrush heads clip easily onto the handle of our interchangeable head toothbrushes to make them last longer. These toothbrush heads will allow you to reduce your waste and toothbrush purchases. Gone are the days of disposable plastic toothbrushes that remain in nature for 1000 years! With our rechargeable bamboo toothbrushes, you are doing a small gesture for the preservation of the planet. The toothbrush bristles are composed of 80% DuPont organic nylon and 20% activated carbon for a natural whitening effect. These rechargeable heads fit our eco-friendly toothbrushes.